content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ----------------------------
   * DefaultWindDatasetTests.java
   * ----------------------------
   * (C) Copyright 2006-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 12-Jul-2006 : Version 1 (DG);
   * 22-Apr-2008 : Added testPublicCloneable (DG);
   *
   */
  
  package org.jfree.data.xy;
  
  import org.jfree.chart.util.PublicCloneable;
  import org.jfree.data.time.Day;
  import org.jfree.data.time.RegularTimePeriod;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  import static org.junit.Assert.fail;
  
  /**
   * Tests for {@link DefaultWindDataset}.
   */
  public class DefaultWindDatasetTest  {
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          DefaultWindDataset d1 = new DefaultWindDataset();
          DefaultWindDataset d2 = new DefaultWindDataset();
          assertEquals(d1, d2);
          assertEquals(d2, d1);
  
          d1 = createSampleDataset1();
          assertFalse(d1.equals(d2));
          d2 = createSampleDataset1();
          assertEquals(d1, d2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          DefaultWindDataset d1 = new DefaultWindDataset();
          DefaultWindDataset d2 = (DefaultWindDataset) d1.clone();
  
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
  
          // try a dataset with some content...
          d1 = createSampleDataset1();
          d2 = (DefaultWindDataset) d1.clone();
  
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
      }
  
      /**
       * Verify that this class implements {@link PublicCloneable}.
       */
      @Test
      public void testPublicCloneable() {
          DefaultWindDataset d1 = new DefaultWindDataset();
          assertTrue(d1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
          DefaultWindDataset d1 = new DefaultWindDataset();
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(d1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
                  buffer.toByteArray()));
          DefaultWindDataset d2 = (DefaultWindDataset) in.readObject();
          in.close();
  
          assertEquals(d1, d2);
  
          // try a dataset with some content...
          d1 = createSampleDataset1();
          buffer = new ByteArrayOutputStream();
          out = new ObjectOutputStream(buffer);
          out.writeObject(d1);
          out.close();
  
          in = new ObjectInputStream(new ByteArrayInputStream(
                  buffer.toByteArray()));
          d2 = (DefaultWindDataset) in.readObject();
          in.close();
  
          assertEquals(d1, d2);
  
      }
  
      /**
       * Some checks for the getSeriesKey(int) method.
       */
      @Test
      public void testGetSeriesKey() {
          DefaultWindDataset d = createSampleDataset1();
          assertEquals("Series 1", d.getSeriesKey(0));
          assertEquals("Series 2", d.getSeriesKey(1));
  
          // check for series key out of bounds
          try {
              /*Comparable k =*/ d.getSeriesKey(-1);
              fail("IllegalArgumentException should have been thrown on negative key");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Invalid series index: -1", e.getMessage());
          }
  
  
          try {
              /*Comparable k =*/ d.getSeriesKey(2);
              fail("IllegalArgumentException should have been thrown on key out of range");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Invalid series index: 2", e.getMessage());
          }
      }
  
      /**
       * Some checks for the indexOf(Comparable) method.
       */
      @Test
      public void testIndexOf() {
          DefaultWindDataset d = createSampleDataset1();
          assertEquals(0, d.indexOf("Series 1"));
          assertEquals(1, d.indexOf("Series 2"));
          assertEquals(-1, d.indexOf("Green Eggs and Ham"));
          assertEquals(-1, d.indexOf(null));
      }
  
      /**
       * Creates a sample dataset for testing.
       *
       * @return A sample dataset.
       */
      public DefaultWindDataset createSampleDataset1() {
          Day t = new Day(1, 4, 2006);
          Object[] item1 = createItem(t, 3, 7);
          Object[] item2 = createItem(t.next(), 4, 8);
          Object[] item3 = createItem(t.next(), 5, 9);
          Object[][] series1 = new Object[][] {item1, item2, item3};
          Object[] item1b = createItem(t, 6, 10);
          Object[] item2b = createItem(t.next(), 7, 11);
          Object[] item3b = createItem(t.next(), 8, 12);
          Object[][] series2 = new Object[][] {item1b, item2b, item3b};
          Object[][][] data = new Object[][][] {series1, series2};
          return new DefaultWindDataset(data);
      }
  
      /**
       * Creates an array representing one item in a series.
       *
       * @param t  the time period.
       * @param dir  the wind direction.
       * @param force  the wind force.
       *
       * @return An array containing the specified items.
       */
      private Object[] createItem(RegularTimePeriod t, int dir, int force) {
          return new Object[] {t.getMiddleMillisecond(),
                  dir, force};
      }
  }
  